ENGINE ELEMENTS

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04/27/2012 06:31 PM CDT

U.S. Air Force Senior Airman Christian Lucero checks the components of an F119-PW-100 jet engine on Holloman Air Force Base, N.M., April 19, 2012. Lucero, an aerospace propulsion engineer, is assigned to the 49th Maintenance Squadron. The F119-PW-100 jet engine is the primary propulsion system for the F-22 Raptor.